/Engine/Plugins/Online/OnlineFramework/Source/Party/Public/Chat/SocialChatManager.h
[USocialGroupChannel](API\Plugins\Party\Chat\USocialGroupChannel) & FindOrCreateGroupChannel ( [IOnlineGroupsPtr](API\Plugins\OnlineSubsystem\IOnlineGroupsPtr) InGroupInterface, const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & GroupId )